中高年齢者の指尖部および足尖拇指部末梢循環に及ぼす歩行運動の効果

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  • チュウコウ ネンレイシャ ノ シセンブ オヨビ ソクセン ボシブ マッショウ ジュンカン ニ オヨボス ホコウ ウンドウ ノ コウカ
  • Effect of walking on peripheral circulation from fingertip and toe apex in the elderly

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Abstract

Accelerated Plethysmography (APG) was used to investigate changes in peripheral circulation and blood pressure before and after 30-60 minutes of walking. The fingertip and toe apex APG and blood pressures were measured in seven healthy elderly persons (mean age: 60.4 years) every 5 minutes during both a 15-minute preexercise rest period and a 30-minute post-exercise recovery period. Step counts after 30 minutes and 60 minutes of walking were 4000±259 and 7651±753, respectively. The average increases in heart rate (from rest) during walking were 45.3 beats/minute (45.5±6.6 %HRR) in the 30-minute condition and 48.2 beats/minute (48.6±8.8%HRR) in the 60-minute condition.Systolic blood pressure was significantly lower (-3mmHg) at 20 minutes post-exercise in the 30-minute walking condition; diastolic blood pressure was significantly higher (3.9mmHg) at 25 minutes post-exercise in the 60-minute walking condition. A significant increase in the ∆APG index was observed in the finger tip (∆34.1; p<0.01) and toe apex (∆57.6; p<0.01) after 60 minutes of walking. Consequently, we conclude that 60 minutes of walking improves peripheral circulation of the lower extremity in elderly persons.

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